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Simplifying 7x + 2a = 3x + 3a Reorder the terms: 2a + 7x = 3x + 3a Reorder the terms: 2a + 7x = 3a + 3x Solving 2a + 7x = 3a + 3x Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3a' to each side of the equation. 2a + -3a + 7x = 3a + -3a + 3x Combine like terms: 2a + -3a = -1a -1a + 7x = 3a + -3a + 3x Combine like terms: 3a + -3a = 0 -1a + 7x = 0 + 3x -1a + 7x = 3x Add '-7x' to each side of the equation. -1a + 7x + -7x = 3x + -7x Combine like terms: 7x + -7x = 0 -1a + 0 = 3x + -7x -1a = 3x + -7x Combine like terms: 3x + -7x = -4x -1a = -4x Divide each side by '-1'. a = 4x Simplifying a = 4x
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